Share of industrial chemical waste water releases in the U.S. 2021, by chemical
Approximately 196 million pounds of TRI-listed chemicals were released to water bodies across the United States in 2021. Of this volume, nitrate compounds accounted for 90 percent of releases. Nitrate compounds are soluble in water and often form during wastewater treatment processes. The remaining 10 percent of water releases were made up of other chemical compounds such as methanol and manganese. The food manufacturing sector contributes the